London, UK--(Marketwire - January 24, 2008) -

24 January 2008

Transaction in own shares.

Smith & Nephew plc announces that on 24 January 2008 it purchased 160,000
ordinary shares of US$0.20 each at a price of 609.4065 pence per share. The
purchased shares will be held as treasury shares.

Following the above purchase, Smith & Nephew plc holds 54,347,000 ordinary
shares in treasury, and has 893,425,160 ordinary shares in issue (excluding
treasury shares).

Paul Chambers
Company Secretary

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